New OPA 90 Requirements: The MRA helps shipowners and operators around the world with OPA 90 Compliance. If you are interested in the MRA's offerings, please click on the logo above. The new Salvage and Marine Fire Fighting Regulations went in to effect 22 February 2011 for tank vessels. The regulations are being updated for non-tank vessels now, in 2013. To read details about the March 2013 SMFF update, click the "OPA 90 Compliance" link at the top of the page.